Gero Fendler

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Answering a question of Pisier, posed in [10], we construct an L-set which is not a finite union of translates of free sets. Let G be a discrete group and A(G) = l2(G) ∗ l2(G) its Fourier algebra. In(More)
Let (G, S) be a finitely generated Coxeter group, such that the Coxeter system is indecomposable and the canonical bilinear form is indefinite but non-degenerate. We show that the reduced C∗-algebra(More)
Let (G,S) be a Coxeter group. We construct a continuation, to the open unit disc, of the unitary representations associated to the positive definite functions g 7→ rl(g). (Here 0 < r < 1, and l(More)
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